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<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        div {
            width: 500px;
            background-color: #fff;
            width: 500px;
            height: 200px;
            background-color: #fff;
        }
    </style>
</head>
<body>
    <p class="box"></p>
    <div class="box"></div>
    <p id="box"></p>
    <div></div>
    <p></p>
    <div>
        <p></p>
    </div>
    <div></div>
    <div></div>
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    <div></div>
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    <div></div>
    <div>111</div>
</body>
</html>